*SUPPORT*
IN: wif wif fep OUT: YELLOW YELLOW BLUE
IN: lug kiki zup OUT: GREEN GREEN PINK
IN: wif kiki lug tufa zup OUT: PINK PINK YELLOW GREEN PINK PINK YELLOW
IN: fep kiki fep OUT: BLUE BLUE BLUE
IN: fep OUT: BLUE
IN: wif kiki zup OUT: GREEN GREEN YELLOW
IN: wif kiki zup gazzer wif wif kiki zup OUT: GREEN GREEN YELLOW YELLOW GREEN GREEN YELLOW
IN: fep kiki fep gazzer lug OUT: BLUE BLUE BLUE PINK
IN: zup tufa fep OUT: GREEN BLUE GREEN
IN: wif zup OUT: YELLOW GREEN
IN: wif tufa lug OUT: YELLOW PINK YELLOW
IN: wif kiki wif OUT: YELLOW YELLOW YELLOW
IN: lug lug fep lug OUT: PINK PINK BLUE PINK
IN: fep wif OUT: BLUE YELLOW

*QUERY*
IN: zup kiki wif OUT: YELLOW YELLOW GREEN
IN: fep kiki wif OUT: YELLOW YELLOW BLUE
IN: zup OUT: GREEN
IN: wif OUT: YELLOW
IN: zup gazzer wif OUT: GREEN YELLOW
IN: lug kiki lug OUT: PINK PINK PINK
IN: lug OUT: PINK
IN: fep fep kiki fep gazzer lug OUT: BLUE BLUE BLUE BLUE PINK
IN: wif gazzer fep kiki fep OUT: YELLOW BLUE BLUE BLUE
IN: fep kiki lug tufa zup OUT: PINK PINK BLUE GREEN PINK PINK BLUE

*GRAMMAR*
fep -> BLUE 
 zup -> GREEN 
 wif -> YELLOW 
 lug -> PINK 
 x1 gazzer x2 -> [x1] [x2] 
 u1 kiki u2 -> [u2] [u2] [u1] 
 x1 tufa u1 -> [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 